A reservoir with a 3,400 m² area is underlain by layers of stratified soils as chown in Figure 10.32. The values of L1, L2, and L3 are 2.0 m, 1.4 m, and 3.2 m, respectively. (a) What the average vertical coefficient of permeability. (b) Determine the interstitial (actual) velocity of water moving through the soil if it has a void ratio of 0.60. (c) Compute the water loss from the reservoir in one year. Assume that Cs s the pore pressure at ihe bottom sand layer is zero.

Principles of Geotechnical Engineering (MindTap Course List)
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Author:Braja M. Das, Khaled Sobhan
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Chapter7: Permeability
Section: Chapter Questions
Problem 7.3P
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I need an answer asap for A,B,C. Complete solution. Choices for answers indicated on second picture. Subject: Soil Mechanics

562
625
1.55 x 10^-6
8.145 x 10^-6
1.66 x 10^-6
525
9.145 x 10^-6
0.0712
Transcribed Image Text:562 625 1.55 x 10^-6 8.145 x 10^-6 1.66 x 10^-6 525 9.145 x 10^-6 0.0712
A reservoir with a 3,400 m² area is underlain by layers of stratified soils as
chown in Figure 10.32. The values of L1, L2, and L3 are 2.0 m, 1.4 m, and 3.2 m,
respectively.
(a) What the average vertical coefficient of permeability.
(b) Determine the interstitial (actual) velocity of water moving through the
soil if it has a void ratio of 0.60.
(c) Compute the water loss from the reservoir in one year. Assume that
Cs s the pore pressure at ihe bettom sand layer is zero.
Water reservoir
15 m
K.- 1.8 x 10* cm/s
Ky = 2.6 x 1o" cm/s
K. - 2.4 x 10 cm/s
K, - 3.2 x 107 cm/s
L2
K.- 1.1 x 10 cm/s
Ky - 2.3 x 10" cm/s
Sand Layer >
5 m
Impermeable Layer
Figure 10.32
Transcribed Image Text:A reservoir with a 3,400 m² area is underlain by layers of stratified soils as chown in Figure 10.32. The values of L1, L2, and L3 are 2.0 m, 1.4 m, and 3.2 m, respectively. (a) What the average vertical coefficient of permeability. (b) Determine the interstitial (actual) velocity of water moving through the soil if it has a void ratio of 0.60. (c) Compute the water loss from the reservoir in one year. Assume that Cs s the pore pressure at ihe bettom sand layer is zero. Water reservoir 15 m K.- 1.8 x 10* cm/s Ky = 2.6 x 1o" cm/s K. - 2.4 x 10 cm/s K, - 3.2 x 107 cm/s L2 K.- 1.1 x 10 cm/s Ky - 2.3 x 10" cm/s Sand Layer > 5 m Impermeable Layer Figure 10.32
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